In order to improve the sheerness of pantyhose to enhance the beauty of women's legs, the design and development of a new yarn and product are proposed. An experimental covering machine with a hollow spindle is produced, and the relationship between the main mechanical parameters of the covering machine and the cahracteristics of the single covered yarns are investigated. The transmittivity of circular plain knitted fabrics made from single covered yarns is examined. and the relationships between the transmittivity of light, the covering level of the single covered yarns, and the extension of th eknitted fabrics are dicussed. The results show that pantyhose sheerness is greatly influenced by teh characteristics of the yarn and the extension of the knited fabrics and cannot be defined only by yarn count. Since women appear to mistakenly define sheerness by thinking only of yarn count, it will be necessary to develop a more accurate definition or description of pantyhose sheerness.
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